5681549016 has 192 divisors, whose sum is σ = 18132660000. Its totient is φ = 1584414720.

The previous prime is 5681548997. The next prime is 5681549051. The reversal of 5681549016 is 6109451865.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4622290 + ... + 4623518.

Almost surely, 2^5681549016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681549016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9066330000).

5681549016 is an abundant number, since it is smaller than the sum of its proper divisors (12451110984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681549016 is a wasteful number, since it uses less digits than its factorization.

5681549016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 5681549016 is about 75376.0506792443. The cubic root of 5681549016 is about 1784.3864605130.

The spelling of 5681549016 in words is "five billion, six hundred eighty-one million, five hundred forty-nine thousand, sixteen".